Pressure Measurement

Pressure Transmitter

What is Pressure Transmitter?

A pressure transmitter is a device for pressure measurement of gases or liquids. Pressure is an expression of the force required to stop a fluid from expanding, and is usually stated in terms of force per unit area. A pressure sensor usually acts as a transducer; it generates a signal as a function of the pressure imposed.

Working Principles

Differential Pressure

The differential pressure transmitter includes two functional units: Main unit and Auxiliary Unit. The main unit includes a sensor and process connection. The completely welded sensor module is a twin-chamber system with an integral overload diaphragm, an absolute pressure sensor, a temperature sensor and the silicon differential pressure sensor. The absolute pressure sensor, which is only exposed to the pressure at the high pressure side, acts as a reference value to compensate for the static pressure. The temperature sensor as a temperature compensated reference value to compensate for the temperature drift.

differential pressure transmitter working principle diagram

Gauge Pressure 

The gauge pressure transmitter includes two functional units: Main unit and Auxiliary Unit. The main unit includes gauge/temperature sensors and process connection. The low pressure span completely welded sensor module is a twin-chamber system with an integral overload diaphragm, and a silicon pressure sensor. The temperature sensor as a temperature compensated reference value to compensate for the temperature drift.

gauge pressure transmitter working principle diagram

spt200 pressure measurement absolute gauge differential

SPT200 DP/G

Differential / Absolute / Gauge Pressure

pressure measurement ept80 miniature version

EPT80

Miniaturized Version

setra model 264 pressure measurement hvac

Model 264

Differential Pressure Transducer
HVAC Application

setra model 233 pressure measurement high purity transducer

Model 223

High Purity Pressure Transducer

setra model 267 differential pressure measurement hvac transducer

Model 267/267MR

Differential Pressure Transducer
HVAC Application

setra model 224 pressure measurement high purity transducer

Model 224

High Purity Pressure Transducer

setra model 255 pressure measurement high purity transducer

Model 225

High Purity Pressure Transducer

sts model atm/n/t pressure measurement depth sensor

Model ATM/N/T

Depth Sensor

sts mdoel ptm pressure measurement transducer 1000bar

Model PTM

Pressure Transducer
Up to 1000 bar